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| Result: Searchterm 'sequence'
found in 105 messages |
| Result Pages: 1 2 3 4 5 6 7 [8] 9 10 11 12 13 14 15 16 17 18 19 20 21 |
More Results:  Database (378) News Service (28) Resources (10) |
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Mitchell Sapp
Sat. 5 Oct.13,
13:13
[Start of:
'ACR Compliance Question'
1 Reply]
 Category:
Reimbursements and Costs
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| ACR Compliance Question |
In 2010, we submitted a knee for our MSK module in our ACR accreditation. Over the past three years, a few new radiologists have come on board, and the preferred knee protocol has changed. But we've continued using the sequences that were submitted to ACR in order to be compliant. At this point, we have three different sequences that NONE of our radiologists care about... and it's basically adding time to each procedure without being beneficial to the patient. But we HAVE to perform those scans.
We are currently getting re-accredited - but we are submitting a wrist this time for the MSK module. Once we get approved, can we drop the unnecessary sequences in the knee and be compliant since we will be using the submitted sequences in the wrist?
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big a
Thu. 19 Sep.13,
07:58
[Reply (2 of 3) to:
'why there is T2* but not T1*'
started by: 'Isa Toni Toni'
on Wed. 24 Jul.13]
Category:
Sequences and Imaging Parameters
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| why there is T2* but not T1* |
i just reread your question and realize what you are saying, i was told we dont use a t1* becuase generally a t1 sequence isnt a pathological sequence unless it is post contrast.
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Brent Johnson
Wed. 21 Aug.13,
19:38
[Start of:
'Hitachi Airis II question'
0 Reply]
Category:
Sequences and Imaging Parameters
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| Hitachi Airis II question |
I have a question for a Hitachi Airis II .3T non-upgraded gradients
On T2 FSE sequences especially on thumb sagittal slices. Image quality very poor, grainy. What is ideal bandwidth and TE settings for improving image quality? Also is positioning and angle of slice a factor in image quality. The closer the anatomy is to edge of coil, does that effect image quality.
Thanks Brent
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shruti soni
Wed. 27 Feb.13,
00:25
[Start of:
'STIR and l-spine'
1 Reply]
Category:
Sequences and Imaging Parameters
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| STIR and l-spine |
we have got new spine coil for our 1.5 T philips achieva scanner. App came in and added new software and protocoal for that. when we run STIR sequence for l- spine with regular size patient, it comes out nice. However, with hypersthenic patient, it comes out very dark, suppressing signal from bone,fat and only shows csf in cord. could it be that TI not optimal for hypersthenic patient?
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Eric Gonzalez
Thu. 11 Oct.12,
12:52
[Reply (1 of 2) to:
'STIR-TR'
started by: 'MICHAEL LONG'
on Fri. 14 Nov.08]
Category:
Sequences and Imaging Parameters
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| STIR-TR |
My understanding with Stir is to have longer TR and shorter TE than a normal T2 sequence. Ive also wondered this question and have not found a definite answer as I guess it could vary from manufacturer to manufacturer?
Im on a Siemens Avanto 1.5T, and typically our STIR sequence ranges from:
TR = 4000 - 10,000ms (I try not to go beyond 7,000)
TE = 20 - 40ms
...obviously you can adjust values for different outcomes depending what you are trying to identify.
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